Home / 185,655.56-256,204.96-100,772.70

Finding the Fourth Proportional to 185,655.56, 256,204.96 and 100,772.70

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Solution

The fourth proportional to 185,655.56, 256,204.96 and 100,772.70 is: 139,066.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,655.56 : 256,204.96 = 100,772.70 : x
  2. Step 2: Convert to fraction form
    185,655.56/256,204.96 = 100,772.70/x
  3. Step 3: Cross multiply
    185,655.56x = 256,204.96 × 100,772.70
  4. Step 4: Simplify right side
    185,655.56x = 25,818,465,572.59
  5. Step 5: Solve for x
    x = 25,818,465,572.59/185,655.56
  6. Step 6: Final answer
    x = 139,066.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.